Process for spraying metallic patterns on a substrate

Details Process for spraying metallic patterns on a substrate Process for spraying metallic patterns on a substrate

1976-01-05

1977-06-21

Kendall, Ralph S.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

118301, 118302, 239 79, 239 85, 427 34, 427 58, 427123, 427205, 427282, 427290, 427423, B05D 110

Patent

active

040312682

ABSTRACT:
Metallic patterns such as electrically conductive pathways are sprayed onto a metallic surface of a substrate by a high temperature flame spray process which process also is used to spray an intermediate layer of ceramic insulation onto the substrate. The patterns are formed in a template through which powdered electrically conductive material is sprayed by a spray gun and a low amperage alternating current of high voltage is applied between the substrate and the spray gun.

REFERENCES:
patent: 3347698 (1967-10-01), Ingham
patent: 3607381 (1971-09-01), Fairbairn

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